A pH meter measures the acidity or alkalinity of a substance by checking the ratio of positively charged protons to negatively charged electrons using a probe. A portable meter allows you to accurately check the pH of a sample outside of the lab. This comes in handy for environmental studies such as those measuring water and soil quality. When purchasing a handheld pH meter, it is important to check the range of measurement, how the measurements are taken and whether extra functionality is needed, such as the ability to load data directly onto a computer or phone.
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| Company | Mettler-Toledo GmbH | Mettler-Toledo GmbH | Mettler-Toledo GmbH |
| Item | FiveGo F2 Portable pH/mV Meter | Seven2Go S2 Portable pH/mV Meter | SevenGo Duo pro SG78 pH/Ion/Conductivity Meter |
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| Catalog Number | 30266946 | 30207949 | 51302620 / 51302621 / 51302622 / 51302623 / 51302625 |
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| Description | The kit version comes with the F2 portable pH meter and the LE438 IP67 electrode
-Large, well-structured display with intuitive button arrangement and simple menu
-Ergonomic design for one-handed operation and foldable stand for viewing on flat surfaces
-IP67 water and dustproof to withstand The kit version comes with the F2 portable pH meter and the LE438 IP67 electrode
-Large, well-structured display with intuitive button arrangement and simple menu
-Ergonomic design for one-handed operation and foldable stand for viewing on flat surfaces
-IP67 water and dustproof to withstand demanding environments ... Read More | The kit version comes with the S2 portable pH meter and the InLab Expert GO-ISM electrode.
-Simple menu for out-of-the-box operation
-T-pad navigation with smart button arrangement for simple and fast measurements
-IP67 weatherproof and drop test resistance to withstand harsh conditions& The kit version comes with the S2 portable pH meter and the InLab Expert GO-ISM electrode.
-Simple menu for out-of-the-box operation
-T-pad navigation with smart button arrangement for simple and fast measurements
-IP67 weatherproof and drop test resistance to withstand harsh conditions
-Automatic detection of sensor and sensor data with ISM ... Read More | Dual-channel portable pH/Ion/Conductivity meter for maximum measurement accuracy, security, and application flexibility in the laboratory, at-line, or in the field.
The kit version comes with the SG78 portable meter, the InLab Expert Pro-ISM, and the InLab 738-ISM.
-IP67 water and dustproof to Dual-channel portable pH/Ion/Conductivity meter for maximum measurement accuracy, security, and application flexibility in the laboratory, at-line, or in the field.
The kit version comes with the SG78 portable meter, the InLab Expert Pro-ISM, and the InLab 738-ISM.
-IP67 water and dustproof to withstand demanding environments
-Infrared interface for data transfer to a PC or printer
-High contrast display and intuitive menu
-Expert and routine operating modes
... Read More |
| pH Range | 0..14 pH | -2…20 pH | -2.000 to 19.999 pH |
| Measurement Mode(s) | pH/mV | pH/mV | pH, mV, EC, Salinity, TDS, Resistance |
| Measurement Resolution | 0.01 | 0.01 to 0.1 | 0.001 to 0.1 (pH), 0.1 (mV), 0.01 to 1 (EC), 0.1 to 1 (TDS) |
| Temperature Compensation | Inquire | Inquire | Automatic or Manual |
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